Intracranial neoplasia in dogs: a diagnostic approach / Neoplasias intracranianas em cães: uma abordagem diagnóstica
AUTOR(ES)
Sylvia de Almeida Diniz
DATA DE PUBLICAÇÃO
2008
RESUMO
Neurological disorders, namely intracranial tumors, have a great importance among morbid entities in dogs, manly in animals older then five years, with a mean of age ranging nine years old. The aim of this study was to evaluate clinical cases suspected of having neoplasia and to associate ancillary clinical exams with necropsy findings. Tumors were described macro and microscopically, and a histopathological diagnosis was determinated. Immunohistochemical methods were applied to ensure the diagnosis and to compare with morphological data available in human counterparts. A number of 14 dogs with intracranial tumor were used, from this cases compilation of general physical examination, neurological evaluation, and associated image diagnosis (computerized tomography, magnetic resonance and echoencephalography) and/or eletrodiagnois by means of a digital electroencephalographic mapping of brain. The symptoms depend on tumor localization, tumor behavior - aggressivety, type of tumor and severity of associated lesions. Four groups were subdivided according to the symptoms: group I (dogs with brain alterations); group II (dogs with cerebellar alterations); group III (dogs with brain steam alterations) and group IV (dogs with mixt alterations). The most frequent findings in diseased animals were seizures, behavior alterations, compulsive walking, circling, obstinate progression, propioceptive and/or motor deficit and vestibular deficit. The diagnosis confirmation, histopathological characterization and classification of neoplasias were made by biopsy or necropsy of euthanatized or naturally dead animals.
ASSUNTO(S)
sistema nervoso central dogs central nervous system intracranial neoplasia neoplasias intracranianas cães
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